Reverse Osmosis

Consider the following statements with reference to Reverse Osmosis (RO):

  1. Reverse Osmosis is a technology that is used to remove a large majority of contaminants from water by pushing the water through a semi-permeable membrane.
  2. Unlike osmosis, which is a passive process, reverse osmosis requires external force (pressure) to work.

Choose the correct answer from the codes given below:

A
Only 1
B
Both 1 and 2
C
Only 2
D
Neither 1 nor 2
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